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There is widespread misconception regarding heat loss through one’s head. You have probably heard one or more of these myths: If your feet are cold, cover your head. You can lose up to 75% of your body heat through your head alone. Although 13-16% of the blood volume is in the head at any given [...] PlanetFear has a article on dealing with the cold. The article covers five topics: Understanding the risks of cold injury including environmental factors such as air temperature, wind, dampness, and cold water immersion and individual factors such as activity level, hunger, thirst and fatigue, gender and physique, clothing and illness/injury. Improvising Shelter – by having [...] Our bodies lose heat in five ways. I have read figures that one can lose between 20-40% of your body heat through your head alone. Although 13-16% of the body’s blood volume is in the head at any given time it is a very exposed structure. The problem is that the head is only about 10% of the body surface area. Thus [...] |
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